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Prev Professional Automotive Repair Technical Discussions for July 13, 2012
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Open Help Requests for GM
Help Request Answers
1997 Buick Skylark Custom 3.1L Anti Theft, Headlights, Warning Lights, Cluster VIN: 1G4NJ52M2V
Vehicle sent here from another shop, problem not found. Engine will crank, start then immediately stall security light is on steady perform a 10 minute relearn, the vehicle started and drove it into the shop disable the aftermarket remote starter and secur...
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1993 Cadillac DeVille 4.9L No Start VIN: 1G6CD53B0P
Morning to everyone. I am looking for some help on the above vehicle. Vehicle was towed in with a no start condition. Originally had no power/no crank due to loose connection @ battery. After fixing this - car will crank and fire for a split second and die - w... Trouble codes: 58 (Pass Key Fault)
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2000 Cadillac DeVille DHS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KE57Y5Y
Hello all Just got done doing head gaskets and timeserts started vehicle and noticed right away that it had a misfire at idle and the MLS light was on. Increased rpm to around 1800 and noticed engine smoothed out. Checked for a misfire with the scanner, code p... Trouble codes: P0300, P0436
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2003 Cadillac CTS 3.2L ignition, shifter VIN: 1G6DM57N13
Car came in with intermitent no start. after checking power to starter and starter signal, I thought it was ignition switch because I wiggled the key while in cranking position and it started. After replacing the switch new problems arose. The key will not com...
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1996 Chevrolet C1500 Cheyenne 5.0L driveshaft VIN: 2GCEC19MXT
hey tech working on a pickup 96 c1500 2wd came in with a driveline vib at 45mph on the dot leaves at about60 mph pulled shaft had balanced still there but not as bad im scrachen my head any ideers
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2004 Chevrolet Trailblazer LS 4.2L Vibration VIN: 1GNDS13S94
When sitting and driving picks up a vibration at 1200 rpms and gets better around 2000 rpms and then starts returning above 2000 rpms
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2003 Saturn LW200 2.2L No Start VIN: 1G8JU84F23
I'm losing ign. volts from the pcm to the fuel pump relay. Replaced fuel pump about 4-months ago, because the customer stated that the engine would quit when it was low on fuel.Vehicle came back about 3-weeks ago for crank no-start. Test revealled no ignition ...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac DeVille DHS 4.6L a/c VIN: 1GEEH90Y72
THANKS FOR ALL THE GREAT REPLIES TO MY PROBLEM. AFTER WE HAD REMOVED THE DASH WE COULD SEE THE BLEND DOOR ACUATORS WERE NOT MOVING ALL THE WAY. SO AFTER REPLACING THEM WHEN WE RECHARED THE SYSTEM I LOOKED MORE CLOSLEY AT THE PRESSURES AND FOUND IT NEEDED 3 LBS...
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2003 Cadillac CTS 3.2L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1G6DM57N13
After replacing the throttle body a second time with no improvement i have come to the conclusion that what juan also had found that the problem is so intermittant that it has to be in the wiring harness Trouble codes: P0221, P0700, P2176, P2135, P0121.
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2003 Chevrolet Silverado 1500 4.8L Misfire VIN: 2GCEC19V63
Well I had not heard back from this customer,so I gave him a call.He said the truck has been excellent since he got it back.I guess the injector purge must have been the cure.Next time I get one like that I'm going to pull out the injectors and "visually" insp... Trouble codes: P0300.
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2004 Pontiac Grand Am SE1 3.4L Poor Idle Quality, Surge, Cuts out, Misfire VIN: 1G2NF52E14
Thanks for all your help guys Found lower intake gasket sucked in due to crack in the lower intake upon further inspection found crack in upper.Then for the rest of the stoy from the customer.He had had the intake gasket replaced 50,000 miles a go by another ...
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